1654102102057 has 2 divisors, whose sum is σ = 1654102102058. Its totient is φ = 1654102102056.

The previous prime is 1654102102043. The next prime is 1654102102063. The reversal of 1654102102057 is 7502012014561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1178724947481 + 475377154576 = 1085691^2 + 689476^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1654102102057 is a prime.

It is not a weakly prime, because it can be changed into another prime (1654102132057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 827051051028 + 827051051029.

It is an arithmetic number, because the mean of its divisors is an integer number (827051051029).

Almost surely, 2^{1654102102057} is an apocalyptic number.

It is an amenable number.

1654102102057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1654102102057 is an equidigital number, since it uses as much as digits as its factorization.

1654102102057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 34.

The spelling of 1654102102057 in words is "one trillion, six hundred fifty-four billion, one hundred two million, one hundred two thousand, fifty-seven".